Rethinking Value Added Models In Education
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Rethinking Value-Added Models in Education
Since passage of the of No Child Left Behind Act in 2001, academic researchers, econometricians, and statisticians have been exploring various analytical methods of documenting students‘ academic progress over time. Known as value-added models (VAMs), these methods are meant to measure the value a teacher or school adds to student learning from one year to the next. To date, however, there is very little evidence to support the trustworthiness of these models. What is becoming increasingly evident, yet often ignored mainly by policymakers, is that VAMs are 1) unreliable, 2) invalid, 3) nontransparent, 4) unfair, 5) fraught with measurement errors and 6) being inappropriately used to make consequential decisions regarding such things as teacher pay, retention, and termination. Unfortunately, their unintended consequences are not fully recognized at this point either. Given such, the timeliness of this well-researched and thoughtful book cannot be overstated. This book sheds important light on the debate surrounding VAMs and thereby offers states and practitioners a highly important resource from which they can move forward in more research-based ways.
Rethinking Value-added Models in Education
Since passage of the of No Child Left Behind Act in 2001, academic researchers, econometricians, and statisticians have been exploring various analytical methods of documenting students' academic progress over time. Known as value-added models (VAMs), these methods are meant to measure the value a teacher or school adds to student learning from one year to the next. To date, however, there is very little evidence to support the trustworthiness of these models. What is becoming increasingly evident, yet often ignored mainly by policymakers, is that VAMs are 1) unreliable, 2) invalid, 3) nontransparent, 4) unfair, 5) fraught with measurement errors and 6) being inappropriately used to make consequential decisions regarding such things as teacher pay, retention, and termination. Unfortunately, their unintended consequences are not fully recognized at this point either. Given such, the timeliness of this well-researched and thoughtful book cannot be overstated. This book sheds important light on the debate surrounding VAMs and thereby offers states and practitioners a highly important resource from which they can move forward in more research-based ways.
Slaying Goliath
From one of the foremost authorities on education in the United States, Slaying Goliath is an impassioned, inspiring look at the ways in which parents, teachers, and activists are successfully fighting back to defeat the forces that are trying to privatize America’s public schools. Diane Ravitch writes of a true grassroots movement sweeping the country, from cities and towns across America, a movement dedicated to protecting public schools from those who are funding privatization and who believe that America’s schools should be run like businesses and that children should be treated like customers or products. Slaying Goliath is about the power of democracy, about the dangers of plutocracy, and about the potential of ordinary people—armed like David with only a slingshot of ideas, energy, and dedication—to prevail against those who are trying to divert funding away from our historic system of democratically governed, nonsectarian public schools. Among the lessons learned from the global pandemic of 2020 is the importance of our public schools and their teachers and the fact that distance learning can never replace human interaction, the pesonal connection between teachers and students.